Canon 70-300mm f/4.5-5.6 EF DO IS USM Lens

This lens is great. The minimal size makes it easy to transport. Not only that, it's allowed at sporting events since most stadiums only allow lenses 4 inches or less. If I were to buy a regular 300mm zoom lens, it would be much larger than 4" and...

I have used on moving animals in Africa - tremendous sharpness and focus. Cheetah running at full speed - stopped in the air - can see eyelash when blown up. I found about 280mm nothing is lost in the corners- just outstanding sharpness and great fast...